How to identify the quality of stainless steel filter screen?

Identify stainless steel filter quality of good or bad methods, 1, first look at the overall weaving situation, whether there is damage 2, if the warp between a large mesh tolerance, should also be regarded as unqualified. 3. The diameter of warp and weft filaments exceeds the allowable plan. 4, check whether the surface is uneven, if, carefully check whether there is a large surface of running weft appearance. 5, stainless steel filter screen in the open future, a serious roll appearance. In addition, if the mesh standard is greater than or equal to 0.18 mm, the length of stainless steel filter mesh surface is less than 80 cm, the mesh standard is less than 0.18 mm, the length of 1 meter stainless steel filter screen zigzag diameter of less than 60mm should be considered as unqualified. 6. The warp and weft of the net are not strong and tight. If you rub it up and down with your fingers, the warp and weft will have an obvious appearance of looseness and displacement. 7. During the examination, there are large areas of creases on the surface of the mesh. Those creases which can not be recovered to the level after stretching and pressing should be judged as unqualified. 8, net oblique serious, and after professional things measurement, stainless steel filter screen warp and weft wire is not straight degree more than 4 degrees.